Masayuki Uchiyama was born in 1952. He began his career in 1969, starting at Neo Media Studios. There, he studied under Keiichiro Kimura and worked for a few projects. After leaving Neo Media Studios, he worked as a freelance animator before joining Studio Z along with Yoshinori Kanada (another animator formed at Neo Media Studios and one of his best friends). Masayuki later helped establish the animation studio Last House, where he became the main animator.